120002210021002 has 4 divisors (see below), whose sum is σ = 180003315031506. Its totient is φ = 60001105010500.

The previous prime is 120002210020997. The next prime is 120002210021053. The reversal of 120002210021002 is 200120012200021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 115083568745401 + 4918641275601 = 10727701^2 + 2217801^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30000552505249 + ... + 30000552505252.

Almost surely, 2^{120002210021002} is an apocalyptic number.

120002210021002 is a deficient number, since it is larger than the sum of its proper divisors (60001105010504).

120002210021002 is an equidigital number, since it uses as much as digits as its factorization.

120002210021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60001105010503.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120002210021002 its reverse (200120012200021), we get a palindrome (320122222221023).

The spelling of 120002210021002 in words is "one hundred twenty trillion, two billion, two hundred ten million, twenty-one thousand, two".